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Harry Woodward

US ranger naturalist

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About Harry Woodward

Harry Woodward was an American naturalist.

Harry Woodward was a US ranger naturalist who, in 1938–9, first described a mathematical relation between the durations and intervals of eruptions from the Old Faithful Geyser. Intervals between eruptions can range from 45 to 125 minutes, averaging 66.5 minutes in 1939, slowly increasing to an average of 90 minutes apart today.

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Important facts

Occupation
Nationality

Frequently asked questions

Who was Harry Woodward?

US ranger naturalist

What was Harry Woodward's occupation?

Harry Woodward was a naturalist.

What nationality was Harry Woodward?

Harry Woodward was American.

Sources & further reading

· Wikipedia: Harry Woodward

· Wikidata: Q16910884

· DBpedia: Harry Woodward (naturalist)

Cite this page

APA: Biography.guide. (2026). Harry Woodward. https://biography.guide/harry-woodward/

MLA: "Harry Woodward." Biography.guide, https://biography.guide/harry-woodward/.

Chicago: "Harry Woodward." Biography.guide. https://biography.guide/harry-woodward/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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